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Preparing the Remote Desktop for "H264" support

To enable H264 on the remote desktop you will have to enable 3 policies in the "Group Policy Editor".
First, run "gpedit.msc" to access Windows Group Policy Editor:
In Windows Registry Editor, navigate to "Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Remote Session Environment"
Here you will have to enable the following policies:
  • Prioritize H.264/AVC 444 graphic mode for Remote Desktop Connections
  • Configure H.264/AVC hardware encoding for Remote Desktop Connections
  • Use hardware graphics adapters for all remote desktop sessions
Once you have enabled these policies, open a "Command Line" as administrator and run the command "gpupdate /force" to update your group policies: